*Sajedah Yousef Moushtaha¹, Yang Yaru², Mai Dung Do Thi¹, Fauzia Hanum Ikhwan³, Tadachika Nakayama¹, Hisayuki Suematsu¹ (1. Nagaoka University of Technology, 2. The University of Tokyo, 3. Tokyo Institute of Technology )

11:05 AM - 11:20 AM

[1A05] Measurements of Thermodynamic Data of Water in Ca-Bentonite (Part2)

*Kosuke Ichikawa¹, Haruo Sato¹ (1. Okayama Univ.)

11:20 AM - 11:35 AM

[1A06] Impact on geological disposal due to prolonged cooling period of spent fuel before reprocessing and study of mitigation measures

(3) Effects for the re-saturation phenomena of buffer material

*Masakazu Chijimatsu¹, Takao Ikeda², Yasuhiro Suyama³, Susumu Tosha⁴, Kazuyoshi Takenobu⁵, Susumu Sakashita⁶, Junji Imai⁷, Atsushi Horio⁸, Takamasa Kanda⁹, Takashi Takei¹⁰ (1. Hazama Ando Corporation, 2. JGC JAPAN, 3. Kajima, 4. IHI, 5. ATK, 6. OYO, 7. JX Metals R.E.&D., 8. Dia Nippon Engineering Consultants, 9. Maeda, 10. ENAA)

11:35 AM - 11:50 AM

[1A07] Impact on geological disposal due to prolonged cooling period of spent fuel before reprocessing and study of mitigation measures

(4) Effects of mitigation measures

*Takao Ikeda¹, Yasuhiro Suyama², Susumu Tosha³, Kazuyoshi Takenobu⁴, Masakazu Chijimatsu⁵, Susumu Sakashita⁶, Junji Imai⁷, Atsushi Horio⁸, Takamasa Kanda⁹, Takashi Takei¹⁰ (1. JGC JAPAN, 2. KAJIMA, 3. IHI, 4. ATK, 5. HAZAMA ANDO, 6. OYO, 7. JX Metals R.E.&D., 8. Dia Nippon Engineering Consultants co.Ltd., 9. MAEDA CORPORATION, 10. ENAA)

11:50 AM - 12:05 PM

[1A08] Compaction management for bentonite-soil mixture using vibratory roller acceleration response

*Masayoshi KUJI¹, Takeshi ISHIGURO¹, Masafumi HIRATA¹, Kazuto FUKUDA¹, Takafumi IWATANI¹ (1. Maeda Corporation)

Time reserved for Chair （12:05 PM - 12:10 PM）

Oral presentation

[2A10-12] TRU Waste

Wed. Mar 27, 2024 2:45 PM - 3:35 PM Room A (21Bildg.2F 21-203)

Chair:KAZUYA IDEMITSU(Tohoku Univ.)

+Add all to schedule

2:45 PM - 3:00 PM

[2A10] Leaching behavior of radionuclides from irradiated endpiece under geological repository condition

(7) Evaluation for the Cl-36 inventory using accelerator mass spectrometry

*Shingo Tanaka¹, Naoki Tezuka², Hiroaki Suganuma², Kenichiro Kino², Toshinori Taniuchi³, Akira Sakashita³, Hiroyuki Matsuzaki⁴, Tomofumi Sakuragi¹ (1. RWMC, 2. NDC, 3. MHI, 4. UTokyo)

3:00 PM - 3:15 PM

[2A11] Leaching behavior of radionuclides from irradiated endpiece under geological repository condition

(8) ¹⁴C leaching model and its impact on safety assessment

*Tomofumi Sakuragi¹, Hiroyoshi Ueda¹, Miki Harigai¹, Shingo Tanaka¹, Tsukasa Sugita², Yu Yamashita², Yumi Yaita² (1. RWMC, 2. TOSHIBA ESS)

3:15 PM - 3:30 PM

[2A12] Evaluation of basic adsorption characteristics of iodide ions by inorganic anion exchangers

*Hanon Saito¹, Kenichi Sibata¹, Kaname Kojo¹, Noriko Asanuma¹, Tsuyoshi Arai² (1. Tokai Univ., 2. Shibaura Inst. of Tech.)

Time reserved for Chair （3:30 PM - 3:35 PM）

Oral presentation

[2A13-16] Nuclide Migration 1

Wed. Mar 27, 2024 3:35 PM - 4:40 PM Room A (21Bildg.2F 21-203)

Chair:Shingo Tanaka(RWMC)

+Add all to schedule

3:35 PM - 3:50 PM

[2A13] Diffusion of Cs, I, and HDO in a Pre-Neogene Sedimentary Rock

*Linyi Hou¹, Kanako Toda¹, Yuta Fukatsu², Takamitsu Ishidera², Takumi Saito¹ (1. UTokyo, 2. JAEA)

3:50 PM - 4:05 PM

[2A14] Evaluation of apparent growth rate of Ca-Si hydrates in highly alkaline groundwater flow using a column packed with silica sands

*Sho Nagai¹, Tsugumi Seki¹, Taiji Chida¹, Yuichi Niibori¹ (1. Tohoku Univ. )

4:05 PM - 4:20 PM

[2A15] Molecular characterization of reactive deep underground dissolved organic matters for metal ion using high-resolution mass spectrometry

*Hayato Sato¹, Kanako Toda¹, Hikari Beppu², Yuki Amano², Kazuya Miyakawa², Takumi Saito¹ (1. UTokyo, 2. JAEA)

4:20 PM - 4:35 PM

[2A16] Rational Disposal of Contaminated Concrete Waste with Assessing Migration Behavior of Nuclide Ions

*Haruka Yamagishi¹, Kanji Yanaga¹, Katsufumi Hashimoto¹, Takafumi Sugiyama¹ (1. Hokkaido Univ.)

Time reserved for Chair （4:35 PM - 4:40 PM）

Oral presentation

[2A17-19] Nuclide Migration 2

Wed. Mar 27, 2024 4:40 PM - 5:30 PM Room A (21Bildg.2F 21-203)

Chair:Masakazu Chijimatsu(HAZAMA ANDO)

+Add all to schedule

4:40 PM - 4:55 PM

[2A17] Effect of Chemical Interaction with Organic Acids and Alteration of Clay Mineral Structure on Cs(I) Adsorption Behavior onto Vermiculite

*Taeyi Nam¹, Koichiro Takao¹ (1. Tokyo Tech)

4:55 PM - 5:10 PM

[2A18] Effect of carbonate on the migration behavior of uranium in compacted bentonite

*KAZUYA IDEMITSU¹, Yasuyoshi Nagai¹, Kenji Konashi¹, Makoto Watanabe¹, Chikage Abe¹ (1. Tohoku Univ.)

5:10 PM - 5:25 PM

[2A19] Evaluation of sorption property in cover soil for low-level radioactive waste disposal facility

*Tomoya Yoshida¹, Hisao Satoh¹, Takashi Kozawa¹, Yutaro Sawaki¹, Jun Yasuda¹, Tooru Abe², Kosuke Nonaka², Haruka Hatakeyama² (1. JNFL, 2. Japan Nuclear Fuel Chemical Analysis Limited)

Time reserved for Chair （5:25 PM - 5:30 PM）

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[1A01-03] Waste Disposal

[1A01] A Study on design alternatives for intermediate-depth disposal with probabilistic safety assessment method

[1A02] Development of a portable sand filling device for manufacturing waste package for radioactive waste

[1A03] Countermeasures for conformity with WAC of cement-type waste packages arisen from Tomari Nuclear Power Station Unit 3

[1A04-08] Engineered Barrier

[1A04] Aluminosilicate Modifications in Potassium-Metakaolin Geopolymers:

A Comprehensive Analysis and Performance Comparison

[1A05] Measurements of Thermodynamic Data of Water in Ca-Bentonite (Part2)

[1A06] Impact on geological disposal due to prolonged cooling period of spent fuel before reprocessing and study of mitigation measures

(3) Effects for the re-saturation phenomena of buffer material

[1A07] Impact on geological disposal due to prolonged cooling period of spent fuel before reprocessing and study of mitigation measures

(4) Effects of mitigation measures

[1A08] Compaction management for bentonite-soil mixture using vibratory roller acceleration response

[2A10-12] TRU Waste

[2A10] Leaching behavior of radionuclides from irradiated endpiece under geological repository condition

(7) Evaluation for the Cl-36 inventory using accelerator mass spectrometry

[2A11] Leaching behavior of radionuclides from irradiated endpiece under geological repository condition

(8) ¹⁴C leaching model and its impact on safety assessment

[2A12] Evaluation of basic adsorption characteristics of iodide ions by inorganic anion exchangers

[2A13-16] Nuclide Migration 1

[2A13] Diffusion of Cs, I, and HDO in a Pre-Neogene Sedimentary Rock

[2A14] Evaluation of apparent growth rate of Ca-Si hydrates in highly alkaline groundwater flow using a column packed with silica sands

[2A15] Molecular characterization of reactive deep underground dissolved organic matters for metal ion using high-resolution mass spectrometry

[2A16] Rational Disposal of Contaminated Concrete Waste with Assessing Migration Behavior of Nuclide Ions

[2A17-19] Nuclide Migration 2

[2A17] Effect of Chemical Interaction with Organic Acids and Alteration of Clay Mineral Structure on Cs(I) Adsorption Behavior onto Vermiculite

[2A18] Effect of carbonate on the migration behavior of uranium in compacted bentonite

[2A19] Evaluation of sorption property in cover soil for low-level radioactive waste disposal facility

Authentication

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[1A01-03] Waste Disposal

[1A04-08] Engineered Barrier

A Comprehensive Analysis and Performance Comparison

(3) Effects for the re-saturation phenomena of buffer material

(4) Effects of mitigation measures

[2A10-12] TRU Waste

(7) Evaluation for the Cl-36 inventory using accelerator mass spectrometry

(8) 14C leaching model and its impact on safety assessment

[2A13-16] Nuclide Migration 1

[2A17-19] Nuclide Migration 2

Authentication

(8) ¹⁴C leaching model and its impact on safety assessment